Which of the following statements is correct about Interfaces used in C#.NET?
                                
A.All interfaces are derived from an Object class.
B.Interfaces can be inherited.
C.All interfaces are derived from an Object interface.
D.Interfaces can contain only method declaration.
E.Interfaces can contain static data and methods.
                              
Click To Show Ans:B
                        

                                
Which of the following statements is correct about an interface used in C#.NET?
                                
A.If a class implements an interface partially, then it should be an abstract class.
B.A class cannot implement an interface partially.
C.An interface can contain static methods.
D.An interface can contain static data.
E.Multiple interface inheritance is not allowed.
                              
Click To Show Ans:A
                        

                                
Which of the following statements is correct about an interface?
                                
A.One interface can be implemented in another interface.
B.An interface can be implemented by multiple classes in the same program.
C.A class that implements an interface can explicitly implement members of that interface.
D.The functions declared in an interface have a body.
                              
Click To Show Ans:C
                        

                                

Which of the following statements are correct about an interface in C#.NET?


A class can implement multiple interfaces.

Structures  cannot  inherit a class  but can  implement an interface.

In  C#.NET,   :   is  used  to  signify that  a  class  member implements a specific interface.

An interface can implement multiple classes.

The static attribute can be used with a method that implements an interface declaration.



                                
A.1, 2, 3
B.2, 4
C.3, 5
D.None of the above.
                              
Click To Show Ans:A
                        

                                

Which of the following is the correct implementation of the interface given below?

interface IMyInterface
{ 
    double MyFun(Single i);
}

                                
A.class MyClass
{
    double MyFun(Single i) as IMyInterface.MyFun
    {
        // Some code
    }
}
B.class MyClass 
{
    MyFun (Single i) As Double
    {
        // Some code
    } 
}
C.class MyClass: implements IMyInterface
{
    double fun(Single si) implements IMyInterface.MyFun()
    {
        //Some code
    } 
}
D.class MyClass: IMyInterface
{
    double IMyInterface.MyFun(Single i)
    {
        // Some code
    } 
}
                              
Click To Show Ans:D